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SubjectRe: Linux 5.4.98
Date
diff --git a/Makefile b/Makefile
index 032751f6be0c..4f6bfcf434e8 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 4
-SUBLEVEL = 97
+SUBLEVEL = 98
EXTRAVERSION =
NAME = Kleptomaniac Octopus

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 4906e480b5bb..296b0d7570d0 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1835,6 +1835,8 @@ static struct page **sev_pin_memory(struct kvm *kvm, unsigned long uaddr,
struct page **pages;
unsigned long first, last;

+ lockdep_assert_held(&kvm->lock);
+
if (ulen == 0 || uaddr + ulen < uaddr)
return NULL;

@@ -7091,12 +7093,21 @@ static int svm_register_enc_region(struct kvm *kvm,
if (!region)
return -ENOMEM;

+ mutex_lock(&kvm->lock);
region->pages = sev_pin_memory(kvm, range->addr, range->size, &region->npages, 1);
if (!region->pages) {
ret = -ENOMEM;
+ mutex_unlock(&kvm->lock);
goto e_free;
}

+ region->uaddr = range->addr;
+ region->size = range->size;
+
+ mutex_lock(&kvm->lock);
+ list_add_tail(&region->list, &sev->regions_list);
+ mutex_unlock(&kvm->lock);
+
/*
* The guest may change the memory encryption attribute from C=0 -> C=1
* or vice versa for this memory range. Lets make sure caches are
@@ -7105,13 +7116,6 @@ static int svm_register_enc_region(struct kvm *kvm,
*/
sev_clflush_pages(region->pages, region->npages);

- region->uaddr = range->addr;
- region->size = range->size;
-
- mutex_lock(&kvm->lock);
- list_add_tail(&region->list, &sev->regions_list);
- mutex_unlock(&kvm->lock);
-
return ret;

e_free:
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index 3d34ac02d76e..cb3d44d20005 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -1089,6 +1089,8 @@ static void blkcg_css_offline(struct cgroup_subsys_state *css)
*/
void blkcg_destroy_blkgs(struct blkcg *blkcg)
{
+ might_sleep();
+
spin_lock_irq(&blkcg->lock);

while (!hlist_empty(&blkcg->blkg_list)) {
@@ -1096,14 +1098,20 @@ void blkcg_destroy_blkgs(struct blkcg *blkcg)
struct blkcg_gq, blkcg_node);
struct request_queue *q = blkg->q;

- if (spin_trylock(&q->queue_lock)) {
- blkg_destroy(blkg);
- spin_unlock(&q->queue_lock);
- } else {
+ if (need_resched() || !spin_trylock(&q->queue_lock)) {
+ /*
+ * Given that the system can accumulate a huge number
+ * of blkgs in pathological cases, check to see if we
+ * need to rescheduling to avoid softlockup.
+ */
spin_unlock_irq(&blkcg->lock);
- cpu_relax();
+ cond_resched();
spin_lock_irq(&blkcg->lock);
+ continue;
}
+
+ blkg_destroy(blkg);
+ spin_unlock(&q->queue_lock);
}

spin_unlock_irq(&blkcg->lock);
diff --git a/drivers/crypto/chelsio/chtls/chtls_cm.c b/drivers/crypto/chelsio/chtls/chtls_cm.c
index eddc6d1bdb2d..82b76df43ae5 100644
--- a/drivers/crypto/chelsio/chtls/chtls_cm.c
+++ b/drivers/crypto/chelsio/chtls/chtls_cm.c
@@ -1047,11 +1047,9 @@ static struct sock *chtls_recv_sock(struct sock *lsk,

n = dst_neigh_lookup(dst, &iph->saddr);
if (!n || !n->dev)
- goto free_sk;
+ goto free_dst;

ndev = n->dev;
- if (!ndev)
- goto free_dst;
if (is_vlan_dev(ndev))
ndev = vlan_dev_real_dev(ndev);

@@ -1117,7 +1115,8 @@ static struct sock *chtls_recv_sock(struct sock *lsk,
free_csk:
chtls_sock_release(&csk->kref);
free_dst:
- neigh_release(n);
+ if (n)
+ neigh_release(n);
dst_release(dst);
free_sk:
inet_csk_prepare_forced_close(newsk);
diff --git a/drivers/i2c/busses/i2c-mt65xx.c b/drivers/i2c/busses/i2c-mt65xx.c
index 5a9f0d17f52c..e1ef0122ef75 100644
--- a/drivers/i2c/busses/i2c-mt65xx.c
+++ b/drivers/i2c/busses/i2c-mt65xx.c
@@ -1008,7 +1008,8 @@ static int mtk_i2c_probe(struct platform_device *pdev)
mtk_i2c_clock_disable(i2c);

ret = devm_request_irq(&pdev->dev, irq, mtk_i2c_irq,
- IRQF_TRIGGER_NONE, I2C_DRV_NAME, i2c);
+ IRQF_NO_SUSPEND | IRQF_TRIGGER_NONE,
+ I2C_DRV_NAME, i2c);
if (ret < 0) {
dev_err(&pdev->dev,
"Request I2C IRQ %d fail\n", irq);
@@ -1035,7 +1036,16 @@ static int mtk_i2c_remove(struct platform_device *pdev)
}

#ifdef CONFIG_PM_SLEEP
-static int mtk_i2c_resume(struct device *dev)
+static int mtk_i2c_suspend_noirq(struct device *dev)
+{
+ struct mtk_i2c *i2c = dev_get_drvdata(dev);
+
+ i2c_mark_adapter_suspended(&i2c->adap);
+
+ return 0;
+}
+
+static int mtk_i2c_resume_noirq(struct device *dev)
{
int ret;
struct mtk_i2c *i2c = dev_get_drvdata(dev);
@@ -1050,12 +1060,15 @@ static int mtk_i2c_resume(struct device *dev)

mtk_i2c_clock_disable(i2c);

+ i2c_mark_adapter_resumed(&i2c->adap);
+
return 0;
}
#endif

static const struct dev_pm_ops mtk_i2c_pm = {
- SET_SYSTEM_SLEEP_PM_OPS(NULL, mtk_i2c_resume)
+ SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(mtk_i2c_suspend_noirq,
+ mtk_i2c_resume_noirq)
};

static struct platform_driver mtk_i2c_driver = {
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c
index f043eefabb4e..7b1d2dac6ceb 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs-vif.c
@@ -514,7 +514,10 @@ static ssize_t iwl_dbgfs_os_device_timediff_read(struct file *file,
const size_t bufsz = sizeof(buf);
int pos = 0;

+ mutex_lock(&mvm->mutex);
iwl_mvm_get_sync_time(mvm, &curr_gp2, &curr_os);
+ mutex_unlock(&mvm->mutex);
+
do_div(curr_os, NSEC_PER_USEC);
diff = curr_os - curr_gp2;
pos += scnprintf(buf + pos, bufsz - pos, "diff=%lld\n", diff);
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
index daae86cd6114..fc6430edd110 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
@@ -4169,6 +4169,9 @@ static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm,
iwl_mvm_binding_remove_vif(mvm, vif);

out:
+ if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD) &&
+ switching_chanctx)
+ return;
mvmvif->phy_ctxt = NULL;
iwl_mvm_power_update_mac(mvm);
}
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
index b04cc6214bac..8b0576cde797 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
@@ -838,6 +838,10 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
if (!mvm->scan_cmd)
goto out_free;

+ /* invalidate ids to prevent accidental removal of sta_id 0 */
+ mvm->aux_sta.sta_id = IWL_MVM_INVALID_STA;
+ mvm->snif_sta.sta_id = IWL_MVM_INVALID_STA;
+
/* Set EBS as successful as long as not stated otherwise by the FW. */
mvm->last_ebs_successful = true;

@@ -1238,6 +1242,7 @@ static void iwl_mvm_reprobe_wk(struct work_struct *wk)
reprobe = container_of(wk, struct iwl_mvm_reprobe, work);
if (device_reprobe(reprobe->dev))
dev_err(reprobe->dev, "reprobe failed!\n");
+ put_device(reprobe->dev);
kfree(reprobe);
module_put(THIS_MODULE);
}
@@ -1288,7 +1293,7 @@ void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error)
module_put(THIS_MODULE);
return;
}
- reprobe->dev = mvm->trans->dev;
+ reprobe->dev = get_device(mvm->trans->dev);
INIT_WORK(&reprobe->work, iwl_mvm_reprobe_wk);
schedule_work(&reprobe->work);
} else if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED,
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
index a36aa9e85e0b..40cafcf40ccf 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
@@ -2070,6 +2070,9 @@ int iwl_mvm_rm_snif_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif)

lockdep_assert_held(&mvm->mutex);

+ if (WARN_ON_ONCE(mvm->snif_sta.sta_id == IWL_MVM_INVALID_STA))
+ return -EINVAL;
+
iwl_mvm_disable_txq(mvm, NULL, mvm->snif_queue, IWL_MAX_TID_COUNT, 0);
ret = iwl_mvm_rm_sta_common(mvm, mvm->snif_sta.sta_id);
if (ret)
@@ -2084,6 +2087,9 @@ int iwl_mvm_rm_aux_sta(struct iwl_mvm *mvm)

lockdep_assert_held(&mvm->mutex);

+ if (WARN_ON_ONCE(mvm->aux_sta.sta_id == IWL_MVM_INVALID_STA))
+ return -EINVAL;
+
iwl_mvm_disable_txq(mvm, NULL, mvm->aux_queue, IWL_MAX_TID_COUNT, 0);
ret = iwl_mvm_rm_sta_common(mvm, mvm->aux_sta.sta_id);
if (ret)
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c b/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c
index 7a5b024a6d38..eab159205e48 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c
@@ -164,8 +164,10 @@ int iwl_pcie_ctxt_info_gen3_init(struct iwl_trans *trans,
/* Allocate IML */
iml_img = dma_alloc_coherent(trans->dev, trans->iml_len,
&trans_pcie->iml_dma_addr, GFP_KERNEL);
- if (!iml_img)
- return -ENOMEM;
+ if (!iml_img) {
+ ret = -ENOMEM;
+ goto err_free_ctxt_info;
+ }

memcpy(iml_img, trans->iml, trans->iml_len);

@@ -207,6 +209,11 @@ int iwl_pcie_ctxt_info_gen3_init(struct iwl_trans *trans,

return 0;

+err_free_ctxt_info:
+ dma_free_coherent(trans->dev, sizeof(*trans_pcie->ctxt_info_gen3),
+ trans_pcie->ctxt_info_gen3,
+ trans_pcie->ctxt_info_dma_addr);
+ trans_pcie->ctxt_info_gen3 = NULL;
err_free_prph_info:
dma_free_coherent(trans->dev,
sizeof(*prph_info),
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c
index d3b58334e13e..e7dcf8bc99b7 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c
@@ -657,6 +657,11 @@ static void iwl_pcie_txq_unmap(struct iwl_trans *trans, int txq_id)
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
struct iwl_txq *txq = trans_pcie->txq[txq_id];

+ if (!txq) {
+ IWL_ERR(trans, "Trying to free a queue that wasn't allocated?\n");
+ return;
+ }
+
spin_lock_bh(&txq->lock);
while (txq->write_ptr != txq->read_ptr) {
IWL_DEBUG_TX_REPLY(trans, "Q %d Free %d\n",
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index c9b8613e69db..5b9d570df85c 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1772,13 +1772,13 @@ static int regulator_resolve_supply(struct regulator_dev *rdev)
{
struct regulator_dev *r;
struct device *dev = rdev->dev.parent;
- int ret;
+ int ret = 0;

/* No supply to resolve? */
if (!rdev->supply_name)
return 0;

- /* Supply already resolved? */
+ /* Supply already resolved? (fast-path without locking contention) */
if (rdev->supply)
return 0;

@@ -1788,7 +1788,7 @@ static int regulator_resolve_supply(struct regulator_dev *rdev)

/* Did the lookup explicitly defer for us? */
if (ret == -EPROBE_DEFER)
- return ret;
+ goto out;

if (have_full_constraints()) {
r = dummy_regulator_rdev;
@@ -1796,15 +1796,18 @@ static int regulator_resolve_supply(struct regulator_dev *rdev)
} else {
dev_err(dev, "Failed to resolve %s-supply for %s\n",
rdev->supply_name, rdev->desc->name);
- return -EPROBE_DEFER;
+ ret = -EPROBE_DEFER;
+ goto out;
}
}

if (r == rdev) {
dev_err(dev, "Supply for %s (%s) resolved to itself\n",
rdev->desc->name, rdev->supply_name);
- if (!have_full_constraints())
- return -EINVAL;
+ if (!have_full_constraints()) {
+ ret = -EINVAL;
+ goto out;
+ }
r = dummy_regulator_rdev;
get_device(&r->dev);
}
@@ -1818,7 +1821,8 @@ static int regulator_resolve_supply(struct regulator_dev *rdev)
if (r->dev.parent && r->dev.parent != rdev->dev.parent) {
if (!device_is_bound(r->dev.parent)) {
put_device(&r->dev);
- return -EPROBE_DEFER;
+ ret = -EPROBE_DEFER;
+ goto out;
}
}

@@ -1826,15 +1830,32 @@ static int regulator_resolve_supply(struct regulator_dev *rdev)
ret = regulator_resolve_supply(r);
if (ret < 0) {
put_device(&r->dev);
- return ret;
+ goto out;
+ }
+
+ /*
+ * Recheck rdev->supply with rdev->mutex lock held to avoid a race
+ * between rdev->supply null check and setting rdev->supply in
+ * set_supply() from concurrent tasks.
+ */
+ regulator_lock(rdev);
+
+ /* Supply just resolved by a concurrent task? */
+ if (rdev->supply) {
+ regulator_unlock(rdev);
+ put_device(&r->dev);
+ goto out;
}

ret = set_supply(rdev, r);
if (ret < 0) {
+ regulator_unlock(rdev);
put_device(&r->dev);
- return ret;
+ goto out;
}

+ regulator_unlock(rdev);
+
/*
* In set_machine_constraints() we may have turned this regulator on
* but we couldn't propagate to the supply if it hadn't been resolved
@@ -1845,11 +1866,12 @@ static int regulator_resolve_supply(struct regulator_dev *rdev)
if (ret < 0) {
_regulator_put(rdev->supply);
rdev->supply = NULL;
- return ret;
+ goto out;
}
}

- return 0;
+out:
+ return ret;
}

/* Internal regulator request function */
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index ca1d98f274d1..e3a79e695812 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -2369,7 +2369,13 @@ pnfs_layout_process(struct nfs4_layoutget *lgp)
* We got an entirely new state ID. Mark all segments for the
* inode invalid, and retry the layoutget
*/
- pnfs_mark_layout_stateid_invalid(lo, &free_me);
+ struct pnfs_layout_range range = {
+ .iomode = IOMODE_ANY,
+ .length = NFS4_MAX_UINT64,
+ };
+ pnfs_set_plh_return_info(lo, IOMODE_ANY, 0);
+ pnfs_mark_matching_lsegs_return(lo, &lo->plh_return_segs,
+ &range, 0);
goto out_forget;
}

diff --git a/fs/squashfs/export.c b/fs/squashfs/export.c
index ae2c87bb0fbe..eb02072d28dd 100644
--- a/fs/squashfs/export.c
+++ b/fs/squashfs/export.c
@@ -41,12 +41,17 @@ static long long squashfs_inode_lookup(struct super_block *sb, int ino_num)
struct squashfs_sb_info *msblk = sb->s_fs_info;
int blk = SQUASHFS_LOOKUP_BLOCK(ino_num - 1);
int offset = SQUASHFS_LOOKUP_BLOCK_OFFSET(ino_num - 1);
- u64 start = le64_to_cpu(msblk->inode_lookup_table[blk]);
+ u64 start;
__le64 ino;
int err;

TRACE("Entered squashfs_inode_lookup, inode_number = %d\n", ino_num);

+ if (ino_num == 0 || (ino_num - 1) >= msblk->inodes)
+ return -EINVAL;
+
+ start = le64_to_cpu(msblk->inode_lookup_table[blk]);
+
err = squashfs_read_metadata(sb, &ino, &start, &offset, sizeof(ino));
if (err < 0)
return err;
@@ -111,7 +116,10 @@ __le64 *squashfs_read_inode_lookup_table(struct super_block *sb,
u64 lookup_table_start, u64 next_table, unsigned int inodes)
{
unsigned int length = SQUASHFS_LOOKUP_BLOCK_BYTES(inodes);
+ unsigned int indexes = SQUASHFS_LOOKUP_BLOCKS(inodes);
+ int n;
__le64 *table;
+ u64 start, end;

TRACE("In read_inode_lookup_table, length %d\n", length);

@@ -121,20 +129,37 @@ __le64 *squashfs_read_inode_lookup_table(struct super_block *sb,
if (inodes == 0)
return ERR_PTR(-EINVAL);

- /* length bytes should not extend into the next table - this check
- * also traps instances where lookup_table_start is incorrectly larger
- * than the next table start
+ /*
+ * The computed size of the lookup table (length bytes) should exactly
+ * match the table start and end points
*/
- if (lookup_table_start + length > next_table)
+ if (length != (next_table - lookup_table_start))
return ERR_PTR(-EINVAL);

table = squashfs_read_table(sb, lookup_table_start, length);
+ if (IS_ERR(table))
+ return table;

/*
- * table[0] points to the first inode lookup table metadata block,
- * this should be less than lookup_table_start
+ * table0], table[1], ... table[indexes - 1] store the locations
+ * of the compressed inode lookup blocks. Each entry should be
+ * less than the next (i.e. table[0] < table[1]), and the difference
+ * between them should be SQUASHFS_METADATA_SIZE or less.
+ * table[indexes - 1] should be less than lookup_table_start, and
+ * again the difference should be SQUASHFS_METADATA_SIZE or less
*/
- if (!IS_ERR(table) && le64_to_cpu(table[0]) >= lookup_table_start) {
+ for (n = 0; n < (indexes - 1); n++) {
+ start = le64_to_cpu(table[n]);
+ end = le64_to_cpu(table[n + 1]);
+
+ if (start >= end || (end - start) > SQUASHFS_METADATA_SIZE) {
+ kfree(table);
+ return ERR_PTR(-EINVAL);
+ }
+ }
+
+ start = le64_to_cpu(table[indexes - 1]);
+ if (start >= lookup_table_start || (lookup_table_start - start) > SQUASHFS_METADATA_SIZE) {
kfree(table);
return ERR_PTR(-EINVAL);
}
diff --git a/fs/squashfs/id.c b/fs/squashfs/id.c
index 6be5afe7287d..11581bf31af4 100644
--- a/fs/squashfs/id.c
+++ b/fs/squashfs/id.c
@@ -35,10 +35,15 @@ int squashfs_get_id(struct super_block *sb, unsigned int index,
struct squashfs_sb_info *msblk = sb->s_fs_info;
int block = SQUASHFS_ID_BLOCK(index);
int offset = SQUASHFS_ID_BLOCK_OFFSET(index);
- u64 start_block = le64_to_cpu(msblk->id_table[block]);
+ u64 start_block;
__le32 disk_id;
int err;

+ if (index >= msblk->ids)
+ return -EINVAL;
+
+ start_block = le64_to_cpu(msblk->id_table[block]);
+
err = squashfs_read_metadata(sb, &disk_id, &start_block, &offset,
sizeof(disk_id));
if (err < 0)
@@ -56,7 +61,10 @@ __le64 *squashfs_read_id_index_table(struct super_block *sb,
u64 id_table_start, u64 next_table, unsigned short no_ids)
{
unsigned int length = SQUASHFS_ID_BLOCK_BYTES(no_ids);
+ unsigned int indexes = SQUASHFS_ID_BLOCKS(no_ids);
+ int n;
__le64 *table;
+ u64 start, end;

TRACE("In read_id_index_table, length %d\n", length);

@@ -67,20 +75,36 @@ __le64 *squashfs_read_id_index_table(struct super_block *sb,
return ERR_PTR(-EINVAL);

/*
- * length bytes should not extend into the next table - this check
- * also traps instances where id_table_start is incorrectly larger
- * than the next table start
+ * The computed size of the index table (length bytes) should exactly
+ * match the table start and end points
*/
- if (id_table_start + length > next_table)
+ if (length != (next_table - id_table_start))
return ERR_PTR(-EINVAL);

table = squashfs_read_table(sb, id_table_start, length);
+ if (IS_ERR(table))
+ return table;

/*
- * table[0] points to the first id lookup table metadata block, this
- * should be less than id_table_start
+ * table[0], table[1], ... table[indexes - 1] store the locations
+ * of the compressed id blocks. Each entry should be less than
+ * the next (i.e. table[0] < table[1]), and the difference between them
+ * should be SQUASHFS_METADATA_SIZE or less. table[indexes - 1]
+ * should be less than id_table_start, and again the difference
+ * should be SQUASHFS_METADATA_SIZE or less
*/
- if (!IS_ERR(table) && le64_to_cpu(table[0]) >= id_table_start) {
+ for (n = 0; n < (indexes - 1); n++) {
+ start = le64_to_cpu(table[n]);
+ end = le64_to_cpu(table[n + 1]);
+
+ if (start >= end || (end - start) > SQUASHFS_METADATA_SIZE) {
+ kfree(table);
+ return ERR_PTR(-EINVAL);
+ }
+ }
+
+ start = le64_to_cpu(table[indexes - 1]);
+ if (start >= id_table_start || (id_table_start - start) > SQUASHFS_METADATA_SIZE) {
kfree(table);
return ERR_PTR(-EINVAL);
}
diff --git a/fs/squashfs/squashfs_fs_sb.h b/fs/squashfs/squashfs_fs_sb.h
index 34c21ffb6df3..166e98806265 100644
--- a/fs/squashfs/squashfs_fs_sb.h
+++ b/fs/squashfs/squashfs_fs_sb.h
@@ -64,5 +64,6 @@ struct squashfs_sb_info {
unsigned int inodes;
unsigned int fragments;
int xattr_ids;
+ unsigned int ids;
};
#endif
diff --git a/fs/squashfs/super.c b/fs/squashfs/super.c
index 0cc4ceec0562..2110323b610b 100644
--- a/fs/squashfs/super.c
+++ b/fs/squashfs/super.c
@@ -166,6 +166,7 @@ static int squashfs_fill_super(struct super_block *sb, struct fs_context *fc)
msblk->directory_table = le64_to_cpu(sblk->directory_table_start);
msblk->inodes = le32_to_cpu(sblk->inodes);
msblk->fragments = le32_to_cpu(sblk->fragments);
+ msblk->ids = le16_to_cpu(sblk->no_ids);
flags = le16_to_cpu(sblk->flags);

TRACE("Found valid superblock on %pg\n", sb->s_bdev);
@@ -177,7 +178,7 @@ static int squashfs_fill_super(struct super_block *sb, struct fs_context *fc)
TRACE("Block size %d\n", msblk->block_size);
TRACE("Number of inodes %d\n", msblk->inodes);
TRACE("Number of fragments %d\n", msblk->fragments);
- TRACE("Number of ids %d\n", le16_to_cpu(sblk->no_ids));
+ TRACE("Number of ids %d\n", msblk->ids);
TRACE("sblk->inode_table_start %llx\n", msblk->inode_table);
TRACE("sblk->directory_table_start %llx\n", msblk->directory_table);
TRACE("sblk->fragment_table_start %llx\n",
@@ -236,8 +237,7 @@ static int squashfs_fill_super(struct super_block *sb, struct fs_context *fc)
allocate_id_index_table:
/* Allocate and read id index table */
msblk->id_table = squashfs_read_id_index_table(sb,
- le64_to_cpu(sblk->id_table_start), next_table,
- le16_to_cpu(sblk->no_ids));
+ le64_to_cpu(sblk->id_table_start), next_table, msblk->ids);
if (IS_ERR(msblk->id_table)) {
errorf(fc, "unable to read id index table");
err = PTR_ERR(msblk->id_table);
diff --git a/fs/squashfs/xattr.h b/fs/squashfs/xattr.h
index 184129afd456..d8a270d3ac4c 100644
--- a/fs/squashfs/xattr.h
+++ b/fs/squashfs/xattr.h
@@ -17,8 +17,16 @@ extern int squashfs_xattr_lookup(struct super_block *, unsigned int, int *,
static inline __le64 *squashfs_read_xattr_id_table(struct super_block *sb,
u64 start, u64 *xattr_table_start, int *xattr_ids)
{
+ struct squashfs_xattr_id_table *id_table;
+
+ id_table = squashfs_read_table(sb, start, sizeof(*id_table));
+ if (IS_ERR(id_table))
+ return (__le64 *) id_table;
+
+ *xattr_table_start = le64_to_cpu(id_table->xattr_table_start);
+ kfree(id_table);
+
ERROR("Xattrs in filesystem, these will be ignored\n");
- *xattr_table_start = start;
return ERR_PTR(-ENOTSUPP);
}

diff --git a/fs/squashfs/xattr_id.c b/fs/squashfs/xattr_id.c
index d99e08464554..ead66670b41a 100644
--- a/fs/squashfs/xattr_id.c
+++ b/fs/squashfs/xattr_id.c
@@ -31,10 +31,15 @@ int squashfs_xattr_lookup(struct super_block *sb, unsigned int index,
struct squashfs_sb_info *msblk = sb->s_fs_info;
int block = SQUASHFS_XATTR_BLOCK(index);
int offset = SQUASHFS_XATTR_BLOCK_OFFSET(index);
- u64 start_block = le64_to_cpu(msblk->xattr_id_table[block]);
+ u64 start_block;
struct squashfs_xattr_id id;
int err;

+ if (index >= msblk->xattr_ids)
+ return -EINVAL;
+
+ start_block = le64_to_cpu(msblk->xattr_id_table[block]);
+
err = squashfs_read_metadata(sb, &id, &start_block, &offset,
sizeof(id));
if (err < 0)
@@ -50,13 +55,17 @@ int squashfs_xattr_lookup(struct super_block *sb, unsigned int index,
/*
* Read uncompressed xattr id lookup table indexes from disk into memory
*/
-__le64 *squashfs_read_xattr_id_table(struct super_block *sb, u64 start,
+__le64 *squashfs_read_xattr_id_table(struct super_block *sb, u64 table_start,
u64 *xattr_table_start, int *xattr_ids)
{
- unsigned int len;
+ struct squashfs_sb_info *msblk = sb->s_fs_info;
+ unsigned int len, indexes;
struct squashfs_xattr_id_table *id_table;
+ __le64 *table;
+ u64 start, end;
+ int n;

- id_table = squashfs_read_table(sb, start, sizeof(*id_table));
+ id_table = squashfs_read_table(sb, table_start, sizeof(*id_table));
if (IS_ERR(id_table))
return (__le64 *) id_table;

@@ -70,13 +79,52 @@ __le64 *squashfs_read_xattr_id_table(struct super_block *sb, u64 start,
if (*xattr_ids == 0)
return ERR_PTR(-EINVAL);

- /* xattr_table should be less than start */
- if (*xattr_table_start >= start)
+ len = SQUASHFS_XATTR_BLOCK_BYTES(*xattr_ids);
+ indexes = SQUASHFS_XATTR_BLOCKS(*xattr_ids);
+
+ /*
+ * The computed size of the index table (len bytes) should exactly
+ * match the table start and end points
+ */
+ start = table_start + sizeof(*id_table);
+ end = msblk->bytes_used;
+
+ if (len != (end - start))
return ERR_PTR(-EINVAL);

- len = SQUASHFS_XATTR_BLOCK_BYTES(*xattr_ids);
+ table = squashfs_read_table(sb, start, len);
+ if (IS_ERR(table))
+ return table;
+
+ /* table[0], table[1], ... table[indexes - 1] store the locations
+ * of the compressed xattr id blocks. Each entry should be less than
+ * the next (i.e. table[0] < table[1]), and the difference between them
+ * should be SQUASHFS_METADATA_SIZE or less. table[indexes - 1]
+ * should be less than table_start, and again the difference
+ * shouls be SQUASHFS_METADATA_SIZE or less.
+ *
+ * Finally xattr_table_start should be less than table[0].
+ */
+ for (n = 0; n < (indexes - 1); n++) {
+ start = le64_to_cpu(table[n]);
+ end = le64_to_cpu(table[n + 1]);
+
+ if (start >= end || (end - start) > SQUASHFS_METADATA_SIZE) {
+ kfree(table);
+ return ERR_PTR(-EINVAL);
+ }
+ }
+
+ start = le64_to_cpu(table[indexes - 1]);
+ if (start >= table_start || (table_start - start) > SQUASHFS_METADATA_SIZE) {
+ kfree(table);
+ return ERR_PTR(-EINVAL);
+ }

- TRACE("In read_xattr_index_table, length %d\n", len);
+ if (*xattr_table_start >= le64_to_cpu(table[0])) {
+ kfree(table);
+ return ERR_PTR(-EINVAL);
+ }

- return squashfs_read_table(sb, start + sizeof(*id_table), len);
+ return table;
}
diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h
index a60488867dd0..a121fd8e7c3a 100644
--- a/include/linux/kprobes.h
+++ b/include/linux/kprobes.h
@@ -232,7 +232,7 @@ extern void kprobes_inc_nmissed_count(struct kprobe *p);
extern bool arch_within_kprobe_blacklist(unsigned long addr);
extern int arch_populate_kprobe_blacklist(void);
extern bool arch_kprobe_on_func_entry(unsigned long offset);
-extern bool kprobe_on_func_entry(kprobe_opcode_t *addr, const char *sym, unsigned long offset);
+extern int kprobe_on_func_entry(kprobe_opcode_t *addr, const char *sym, unsigned long offset);

extern bool within_kprobe_blacklist(unsigned long addr);
extern int kprobe_add_ksym_blacklist(unsigned long entry);
diff --git a/include/linux/sunrpc/xdr.h b/include/linux/sunrpc/xdr.h
index 9db6097c22c5..a8d68c5a4ca6 100644
--- a/include/linux/sunrpc/xdr.h
+++ b/include/linux/sunrpc/xdr.h
@@ -27,8 +27,7 @@ struct rpc_rqst;
#define XDR_QUADLEN(l) (((l) + 3) >> 2)

/*
- * Generic opaque `network object.' At the kernel level, this type
- * is used only by lockd.
+ * Generic opaque `network object.'
*/
#define XDR_MAX_NETOBJ 1024
struct xdr_netobj {
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index a67bfa803d98..2c248c4f6419 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -9002,30 +9002,28 @@ static int fixup_bpf_calls(struct bpf_verifier_env *env)
insn->code == (BPF_ALU | BPF_MOD | BPF_X) ||
insn->code == (BPF_ALU | BPF_DIV | BPF_X)) {
bool is64 = BPF_CLASS(insn->code) == BPF_ALU64;
- struct bpf_insn mask_and_div[] = {
- BPF_MOV32_REG(insn->src_reg, insn->src_reg),
+ bool isdiv = BPF_OP(insn->code) == BPF_DIV;
+ struct bpf_insn *patchlet;
+ struct bpf_insn chk_and_div[] = {
/* Rx div 0 -> 0 */
- BPF_JMP_IMM(BPF_JNE, insn->src_reg, 0, 2),
+ BPF_RAW_INSN((is64 ? BPF_JMP : BPF_JMP32) |
+ BPF_JNE | BPF_K, insn->src_reg,
+ 0, 2, 0),
BPF_ALU32_REG(BPF_XOR, insn->dst_reg, insn->dst_reg),
BPF_JMP_IMM(BPF_JA, 0, 0, 1),
*insn,
};
- struct bpf_insn mask_and_mod[] = {
- BPF_MOV32_REG(insn->src_reg, insn->src_reg),
+ struct bpf_insn chk_and_mod[] = {
/* Rx mod 0 -> Rx */
- BPF_JMP_IMM(BPF_JEQ, insn->src_reg, 0, 1),
+ BPF_RAW_INSN((is64 ? BPF_JMP : BPF_JMP32) |
+ BPF_JEQ | BPF_K, insn->src_reg,
+ 0, 1, 0),
*insn,
};
- struct bpf_insn *patchlet;

- if (insn->code == (BPF_ALU64 | BPF_DIV | BPF_X) ||
- insn->code == (BPF_ALU | BPF_DIV | BPF_X)) {
- patchlet = mask_and_div + (is64 ? 1 : 0);
- cnt = ARRAY_SIZE(mask_and_div) - (is64 ? 1 : 0);
- } else {
- patchlet = mask_and_mod + (is64 ? 1 : 0);
- cnt = ARRAY_SIZE(mask_and_mod) - (is64 ? 1 : 0);
- }
+ patchlet = isdiv ? chk_and_div : chk_and_mod;
+ cnt = isdiv ? ARRAY_SIZE(chk_and_div) :
+ ARRAY_SIZE(chk_and_mod);

new_prog = bpf_patch_insn_data(env, i + delta, patchlet, cnt);
if (!new_prog)
diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index 26ae92c12fc2..a7812c115e48 100644
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -1948,29 +1948,45 @@ bool __weak arch_kprobe_on_func_entry(unsigned long offset)
return !offset;
}

-bool kprobe_on_func_entry(kprobe_opcode_t *addr, const char *sym, unsigned long offset)
+/**
+ * kprobe_on_func_entry() -- check whether given address is function entry
+ * @addr: Target address
+ * @sym: Target symbol name
+ * @offset: The offset from the symbol or the address
+ *
+ * This checks whether the given @addr+@offset or @sym+@offset is on the
+ * function entry address or not.
+ * This returns 0 if it is the function entry, or -EINVAL if it is not.
+ * And also it returns -ENOENT if it fails the symbol or address lookup.
+ * Caller must pass @addr or @sym (either one must be NULL), or this
+ * returns -EINVAL.
+ */
+int kprobe_on_func_entry(kprobe_opcode_t *addr, const char *sym, unsigned long offset)
{
kprobe_opcode_t *kp_addr = _kprobe_addr(addr, sym, offset);

if (IS_ERR(kp_addr))
- return false;
+ return PTR_ERR(kp_addr);

- if (!kallsyms_lookup_size_offset((unsigned long)kp_addr, NULL, &offset) ||
- !arch_kprobe_on_func_entry(offset))
- return false;
+ if (!kallsyms_lookup_size_offset((unsigned long)kp_addr, NULL, &offset))
+ return -ENOENT;

- return true;
+ if (!arch_kprobe_on_func_entry(offset))
+ return -EINVAL;
+
+ return 0;
}

int register_kretprobe(struct kretprobe *rp)
{
- int ret = 0;
+ int ret;
struct kretprobe_instance *inst;
int i;
void *addr;

- if (!kprobe_on_func_entry(rp->kp.addr, rp->kp.symbol_name, rp->kp.offset))
- return -EINVAL;
+ ret = kprobe_on_func_entry(rp->kp.addr, rp->kp.symbol_name, rp->kp.offset);
+ if (ret)
+ return ret;

/* If only rp->kp.addr is specified, check reregistering kprobes */
if (rp->kp.addr && check_kprobe_rereg(&rp->kp))
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c
index 1074a69beff3..233322c77b76 100644
--- a/kernel/trace/trace_kprobe.c
+++ b/kernel/trace/trace_kprobe.c
@@ -220,9 +220,9 @@ bool trace_kprobe_on_func_entry(struct trace_event_call *call)
{
struct trace_kprobe *tk = trace_kprobe_primary_from_call(call);

- return tk ? kprobe_on_func_entry(tk->rp.kp.addr,
+ return tk ? (kprobe_on_func_entry(tk->rp.kp.addr,
tk->rp.kp.addr ? NULL : tk->rp.kp.symbol_name,
- tk->rp.kp.addr ? 0 : tk->rp.kp.offset) : false;
+ tk->rp.kp.addr ? 0 : tk->rp.kp.offset) == 0) : false;
}

bool trace_kprobe_error_injectable(struct trace_event_call *call)
@@ -811,9 +811,11 @@ static int trace_kprobe_create(int argc, const char *argv[])
trace_probe_log_err(0, BAD_PROBE_ADDR);
goto parse_error;
}
- if (kprobe_on_func_entry(NULL, symbol, offset))
+ ret = kprobe_on_func_entry(NULL, symbol, offset);
+ if (ret == 0)
flags |= TPARG_FL_FENTRY;
- if (offset && is_return && !(flags & TPARG_FL_FENTRY)) {
+ /* Defer the ENOENT case until register kprobe */
+ if (ret == -EINVAL && is_return) {
trace_probe_log_err(0, BAD_RETPROBE);
goto parse_error;
}
diff --git a/net/key/af_key.c b/net/key/af_key.c
index a915bc86620a..907d04a47459 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -2902,7 +2902,7 @@ static int count_ah_combs(const struct xfrm_tmpl *t)
break;
if (!aalg->pfkey_supported)
continue;
- if (aalg_tmpl_set(t, aalg) && aalg->available)
+ if (aalg_tmpl_set(t, aalg))
sz += sizeof(struct sadb_comb);
}
return sz + sizeof(struct sadb_prop);
@@ -2920,7 +2920,7 @@ static int count_esp_combs(const struct xfrm_tmpl *t)
if (!ealg->pfkey_supported)
continue;

- if (!(ealg_tmpl_set(t, ealg) && ealg->available))
+ if (!(ealg_tmpl_set(t, ealg)))
continue;

for (k = 1; ; k++) {
@@ -2931,7 +2931,7 @@ static int count_esp_combs(const struct xfrm_tmpl *t)
if (!aalg->pfkey_supported)
continue;

- if (aalg_tmpl_set(t, aalg) && aalg->available)
+ if (aalg_tmpl_set(t, aalg))
sz += sizeof(struct sadb_comb);
}
}
diff --git a/net/mac80211/spectmgmt.c b/net/mac80211/spectmgmt.c
index 5fe2b645912f..132f8423adda 100644
--- a/net/mac80211/spectmgmt.c
+++ b/net/mac80211/spectmgmt.c
@@ -132,16 +132,20 @@ int ieee80211_parse_ch_switch_ie(struct ieee80211_sub_if_data *sdata,
}

if (wide_bw_chansw_ie) {
+ u8 new_seg1 = wide_bw_chansw_ie->new_center_freq_seg1;
struct ieee80211_vht_operation vht_oper = {
.chan_width =
wide_bw_chansw_ie->new_channel_width,
.center_freq_seg0_idx =
wide_bw_chansw_ie->new_center_freq_seg0,
- .center_freq_seg1_idx =
- wide_bw_chansw_ie->new_center_freq_seg1,
+ .center_freq_seg1_idx = new_seg1,
/* .basic_mcs_set doesn't matter */
};
- struct ieee80211_ht_operation ht_oper = {};
+ struct ieee80211_ht_operation ht_oper = {
+ .operation_mode =
+ cpu_to_le16(new_seg1 <<
+ IEEE80211_HT_OP_MODE_CCFS2_SHIFT),
+ };

/* default, for the case of IEEE80211_VHT_CHANWIDTH_USE_HT,
* to the previously parsed chandef
diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c
index 5fc6c028f89c..b7a71578bd98 100644
--- a/net/sunrpc/auth_gss/auth_gss.c
+++ b/net/sunrpc/auth_gss/auth_gss.c
@@ -29,6 +29,7 @@
#include <linux/uaccess.h>
#include <linux/hashtable.h>

+#include "auth_gss_internal.h"
#include "../netns.h"

#include <trace/events/rpcgss.h>
@@ -125,35 +126,6 @@ gss_cred_set_ctx(struct rpc_cred *cred, struct gss_cl_ctx *ctx)
clear_bit(RPCAUTH_CRED_NEW, &cred->cr_flags);
}

-static const void *
-simple_get_bytes(const void *p, const void *end, void *res, size_t len)
-{
- const void *q = (const void *)((const char *)p + len);
- if (unlikely(q > end || q < p))
- return ERR_PTR(-EFAULT);
- memcpy(res, p, len);
- return q;
-}
-
-static inline const void *
-simple_get_netobj(const void *p, const void *end, struct xdr_netobj *dest)
-{
- const void *q;
- unsigned int len;
-
- p = simple_get_bytes(p, end, &len, sizeof(len));
- if (IS_ERR(p))
- return p;
- q = (const void *)((const char *)p + len);
- if (unlikely(q > end || q < p))
- return ERR_PTR(-EFAULT);
- dest->data = kmemdup(p, len, GFP_NOFS);
- if (unlikely(dest->data == NULL))
- return ERR_PTR(-ENOMEM);
- dest->len = len;
- return q;
-}
-
static struct gss_cl_ctx *
gss_cred_get_ctx(struct rpc_cred *cred)
{
diff --git a/net/sunrpc/auth_gss/auth_gss_internal.h b/net/sunrpc/auth_gss/auth_gss_internal.h
new file mode 100644
index 000000000000..f6d9631bd9d0
--- /dev/null
+++ b/net/sunrpc/auth_gss/auth_gss_internal.h
@@ -0,0 +1,45 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * linux/net/sunrpc/auth_gss/auth_gss_internal.h
+ *
+ * Internal definitions for RPCSEC_GSS client authentication
+ *
+ * Copyright (c) 2000 The Regents of the University of Michigan.
+ * All rights reserved.
+ *
+ */
+#include <linux/err.h>
+#include <linux/string.h>
+#include <linux/sunrpc/xdr.h>
+
+static inline const void *
+simple_get_bytes(const void *p, const void *end, void *res, size_t len)
+{
+ const void *q = (const void *)((const char *)p + len);
+ if (unlikely(q > end || q < p))
+ return ERR_PTR(-EFAULT);
+ memcpy(res, p, len);
+ return q;
+}
+
+static inline const void *
+simple_get_netobj(const void *p, const void *end, struct xdr_netobj *dest)
+{
+ const void *q;
+ unsigned int len;
+
+ p = simple_get_bytes(p, end, &len, sizeof(len));
+ if (IS_ERR(p))
+ return p;
+ q = (const void *)((const char *)p + len);
+ if (unlikely(q > end || q < p))
+ return ERR_PTR(-EFAULT);
+ if (len) {
+ dest->data = kmemdup(p, len, GFP_NOFS);
+ if (unlikely(dest->data == NULL))
+ return ERR_PTR(-ENOMEM);
+ } else
+ dest->data = NULL;
+ dest->len = len;
+ return q;
+}
diff --git a/net/sunrpc/auth_gss/gss_krb5_mech.c b/net/sunrpc/auth_gss/gss_krb5_mech.c
index 6e5d6d240215..b552dd4f32f8 100644
--- a/net/sunrpc/auth_gss/gss_krb5_mech.c
+++ b/net/sunrpc/auth_gss/gss_krb5_mech.c
@@ -21,6 +21,8 @@
#include <linux/sunrpc/xdr.h>
#include <linux/sunrpc/gss_krb5_enctypes.h>

+#include "auth_gss_internal.h"
+
#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
# define RPCDBG_FACILITY RPCDBG_AUTH
#endif
@@ -164,35 +166,6 @@ get_gss_krb5_enctype(int etype)
return NULL;
}

-static const void *
-simple_get_bytes(const void *p, const void *end, void *res, int len)
-{
- const void *q = (const void *)((const char *)p + len);
- if (unlikely(q > end || q < p))
- return ERR_PTR(-EFAULT);
- memcpy(res, p, len);
- return q;
-}
-
-static const void *
-simple_get_netobj(const void *p, const void *end, struct xdr_netobj *res)
-{
- const void *q;
- unsigned int len;
-
- p = simple_get_bytes(p, end, &len, sizeof(len));
- if (IS_ERR(p))
- return p;
- q = (const void *)((const char *)p + len);
- if (unlikely(q > end || q < p))
- return ERR_PTR(-EFAULT);
- res->data = kmemdup(p, len, GFP_NOFS);
- if (unlikely(res->data == NULL))
- return ERR_PTR(-ENOMEM);
- res->len = len;
- return q;
-}
-
static inline const void *
get_key(const void *p, const void *end,
struct krb5_ctx *ctx, struct crypto_sync_skcipher **res)
diff --git a/sound/soc/codecs/ak4458.c b/sound/soc/codecs/ak4458.c
index 71562154c0b1..217e8ce9a4ba 100644
--- a/sound/soc/codecs/ak4458.c
+++ b/sound/soc/codecs/ak4458.c
@@ -523,18 +523,10 @@ static struct snd_soc_dai_driver ak4497_dai = {
.ops = &ak4458_dai_ops,
};

-static void ak4458_power_off(struct ak4458_priv *ak4458)
+static void ak4458_reset(struct ak4458_priv *ak4458, bool active)
{
if (ak4458->reset_gpiod) {
- gpiod_set_value_cansleep(ak4458->reset_gpiod, 0);
- usleep_range(1000, 2000);
- }
-}
-
-static void ak4458_power_on(struct ak4458_priv *ak4458)
-{
- if (ak4458->reset_gpiod) {
- gpiod_set_value_cansleep(ak4458->reset_gpiod, 1);
+ gpiod_set_value_cansleep(ak4458->reset_gpiod, active);
usleep_range(1000, 2000);
}
}
@@ -548,7 +540,7 @@ static int ak4458_init(struct snd_soc_component *component)
if (ak4458->mute_gpiod)
gpiod_set_value_cansleep(ak4458->mute_gpiod, 1);

- ak4458_power_on(ak4458);
+ ak4458_reset(ak4458, false);

ret = snd_soc_component_update_bits(component, AK4458_00_CONTROL1,
0x80, 0x80); /* ACKS bit = 1; 10000000 */
@@ -571,7 +563,7 @@ static void ak4458_remove(struct snd_soc_component *component)
{
struct ak4458_priv *ak4458 = snd_soc_component_get_drvdata(component);

- ak4458_power_off(ak4458);
+ ak4458_reset(ak4458, true);
}

#ifdef CONFIG_PM
@@ -581,7 +573,7 @@ static int __maybe_unused ak4458_runtime_suspend(struct device *dev)

regcache_cache_only(ak4458->regmap, true);

- ak4458_power_off(ak4458);
+ ak4458_reset(ak4458, true);

if (ak4458->mute_gpiod)
gpiod_set_value_cansleep(ak4458->mute_gpiod, 0);
@@ -596,8 +588,8 @@ static int __maybe_unused ak4458_runtime_resume(struct device *dev)
if (ak4458->mute_gpiod)
gpiod_set_value_cansleep(ak4458->mute_gpiod, 1);

- ak4458_power_off(ak4458);
- ak4458_power_on(ak4458);
+ ak4458_reset(ak4458, true);
+ ak4458_reset(ak4458, false);

regcache_cache_only(ak4458->regmap, false);
regcache_mark_dirty(ak4458->regmap);
diff --git a/sound/soc/intel/skylake/skl-topology.c b/sound/soc/intel/skylake/skl-topology.c
index 2cb719893324..1940b17f27ef 100644
--- a/sound/soc/intel/skylake/skl-topology.c
+++ b/sound/soc/intel/skylake/skl-topology.c
@@ -3632,7 +3632,7 @@ static void skl_tplg_complete(struct snd_soc_component *component)
sprintf(chan_text, "c%d", mach->mach_params.dmic_num);

for (i = 0; i < se->items; i++) {
- struct snd_ctl_elem_value val;
+ struct snd_ctl_elem_value val = {};

if (strstr(texts[i], chan_text)) {
val.value.enumerated.item[0] = i;
\
 
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